Also slashes calling rates from U.S. - now never more than 20 cents per minute with Stateside International Talk & Text feature

Announces multiyear partnership with international superstar Shakira

NEW YORK - Oct. 9, 2013 - T-Mobile US, Inc. (NYSE: TMUS), America`s new No. 1 choice in wireless, is again upending and innovating the wireless industry, delivering unlimited global data at no extra charge in 100+ countries - making the company`s home data coverage area larger than AT&T`s and Verizon`s combined.

Tonight, at a concert event for thousands of its customers at New York`s Bryant Park, featuring international superstar and new T-Mobile collaborator Shakira, the Un-carrier announced that it is tearing down borders and walking away from the U.S. wireless industry practice of charging exorbitant international roaming rates.

"The cost of staying connected across borders is completely crazy," said John Legere, president and CEO of T-Mobile US, Inc. "Today`s phones are designed to work around the world, but we`re forced to pay insanely inflated international connectivity fees to actually use them. You can`t leave the country without coming home to bill shock. So we`re making the world your network - at no extra cost."

Americans take about 55 million trips to destinations outside the U.S. every year. When U.S. customers use their phones abroad the way they normally do at home, their costs often total $1,000 a day or more. So more than 40 percent of customers turn off data roaming completely. Another 20 percent more say they would if they knew how. The toll these roaming fees take on individuals and businesses is huge. Whether traveling for business or pleasure, wireless customers face a hard choice - use their phone when they need it and pay through the nose, or cut off communications to contain costs.

"It doesn`t have to be this way," Legere said. "The truth is that the industry`s been charging huge fees for data roaming. But what`s most surprising is that no one`s called them out - until now."

T-Mobile tonight announced that it`s expanding the home data coverage for most Simple Choice customers to include more than 100 countries, at no extra charge. Starting Oct. 31, these Simple Choice individual and business customers automatically get unlimited data and texting in more than 100 Simple Global countries worldwide, and they will only pay a global flat rate of 20 cents per minute for voice calls when roaming in the same countries. Eligible customers on T-Mobile`s popular Simple Choice plan won`t have to activate anything or pay an extra monthly fee.

And, for customers in the U.S. wanting a saner, more affordable way to stay connected with friends, family and colleagues worldwide, T-Mobile`s got them covered, too. The company announced tonight its new Stateside International Talk & Text feature for discounted calling and texting from the U.S. to all Simple Global countries. Customers never pay more than 20 cents a minute to any number in any Simple Global country, including mobile to mobile. Calls to landlines in more than 70 of these countries are unlimited and included at no extra cost. Unlimited texting is also included to all countries. Stateside International Talk & Text is available to most Simple Choice customers for just $10 a month.

In network news, T-Mobile tonight also announced that its latest-generation 4G LTE network is now nationwide, reaching more than 200 million people in 233 metros across the United States.

In recent third-party tests involving millions of results from real customers nationwide, T-Mobile`s 4G LTE nationwide network delivered faster speeds than the 4G LTE networks of Verizon and Sprint. In addition, T-Mobile`s 4G LTE network already has faster median speeds than AT&T`s 4G LTE network in 10 of the top 20 metropolitan statistical areas. In fact, T-Mobile`s new nationwide LTE network delivers 4G LTE speeds more consistently than any of the national providers.

Making global connections and bringing the world closer together is also a key value for global artist, songwriter and Grammy Award-winning music icon, Shakira. T-Mobile is working with the musical powerhouse to bring that message to people everywhere and announced the collaboration through a new multiyear partnership agreement to include the creation of unique content, fan engagement and exclusive access to her new music.

"Today is all about bringing the world closer together," Shakira said. "I`m excited to partner with T-Mobile and look forward to being able to share my music in new and innovative ways."

As part of the relationship, T-Mobile will support Shakira`s upcoming single and album releases to create unique T-Mobile customer experiences. T-Mobile is breaking the traditional sponsorship mold and creating a unique partnership where the company and the artist will work together to help amplify key messages and initiatives for each other, which will also include a select number of special events for the public and exclusive fan engagement activities.

These announcements build on months of momentum since T-Mobile kicked off its Un-carrier consumer movement earlier this year. Since then, the company has enjoyed a groundswell of support from U.S. consumers signing on in record numbers, making T-Mobile America`s No. 1 choice in wireless since its Un-carrier launch in late March - with more net new postpaid customers than AT&T, Verizon and Sprint combined.

No. 1 choice in wireless based on T-Mobile`s net postpaid subscriber additions vs. those of the other major national carriers in Q2 2013. 4G LTE speed claims based on third-party speed testing data.

Taxes & fees are additional for services and features. Home data coverage is the area where customers receive data services included in their plan. Global data coverage with capable device; not for extended international travel. See details & included countries at http://www.T-Mobile.com.

About T-Mobile US, Inc.:As America`s Un-carrier, T-Mobile US, Inc. (NYSE: "TMUS") is redefining the way consumers and businesses buy wireless services through leading product and service innovation. The company`s advanced nationwide 4G and 4G LTE network delivers outstanding wireless experiences for customers who are unwilling to compromise on quality and value. Based in Bellevue, Wash., T-Mobile US provides services through its subsidiaries and operates its flagship brands, T-Mobile and MetroPCS. It currently serves approximately 44 million wireless subscribers and provides products and services through 70,000 points of distribution. For more information, please visit http://www.t-mobile.com.

Forward-Looking Statement:This press release includes "forward-looking statements" within the meaning of the U.S. federal securities laws. Any statements made herein that are not statements of historical fact, including statements about T-Mobile US, Inc.`s strategy, expected network modernization and other advancements, are forward-looking statements. Generally, forward-looking statements may be identified by words such as "anticipate," "expect," "suggests," "plan," "believe," "intend," "estimates," "targets," "views," "may," "will," "forecast," and other similar expressions. The forward-looking statements speak only as of the date made, are based on current assumptions and expectations, and involve a number of risks and uncertainties. Important factors that could affect future results and cause those results to differ materially from those expressed in the forward-looking statements include, among others, the following: our ability to compete in the highly competitive U.S. wireless telecommunications industry; adverse conditions in the U.S. and international economies and markets; our significant capital commitments and the capital expenditures required to effect our business plan; our ability to adapt to future changes in technology, enhance existing offerings, and introduce new offerings to address customers` changing demands; changes in legal and regulatory requirements, including any change or increase in restrictions on our ability to operate our network; our ability to successfully maintain and improve our network, and the possibility of incurring additional costs in doing so; major equipment failures; severe weather conditions or other force majeure events; and other risks described in our filings with the Securities and Exchange Commission, including those described in our Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 8, 2013. You should not place undue reliance on these forward-looking statements. We do not undertake to update forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

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